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Stainless steel coiled & Straight tube
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Stainless steel coiled & Straight tube

Welded Tube

Precision cold drawn process & Bright annealed.

  • Choosing the right materials for your application.
  • Stable TIG system.
  • Perfect weld inspection system
  • Heat treatment of 100% hydrogen atmosphere
  • QC system is applied to complete quality control from intermediate process to final process

Reference Documents

  • ASTM A249, Standard specification for welded austenitic steel boiler, superheater, heat-exchanger, and condenser tubes.
  • ASTM A262, Practjces for detecting susceptjbility to intergranular attack in austenitjc stainless steels.
  • ASTM A269, Standard specification for seamlwss and welded austenitic stainless steel tubing for genetal use.
  • EN 10217-7 TC 1, Welded steel tubes for pressure purposes-Technical delivery condutuons-Part 7 : Stainless steel tubes.

Priduction Size (WELDED)

(Unit : kg/m)
M/M SIZE WEIGHT(KG/M)
SUS304/316
Wall THICKNESS(mm)
0.D 0.8 1 1.2 1.5
6 0.15 0.20 - -
8 0.25 0.28 0.31 -
10 0.30 0.34 0.38 0.42
12 0.36 0.14 0.46 -
15   0.49 0.56 -
(Unit : mm)
O.D W.T Product Length(m/coil)
6 0.8 480 ~ 500 meters / coil
6 1.0
8 0.8 440 ~ 460 meters / coil
8 1.0
8 1.2
10 0.8 270 ~ 290 meters / coil
10 1.0
10 1.2
10 1.5
12 0.8 210 ~ 230 meters / coil
12 1.0
12 1.2
15 1.0 150 ~ 180 meters / coil
15 1.2
(Unit : mm)
Inch O.D W.T Product Length(m/coil)
1/4 - 0.035 6.35 0.89 480 ~ 500 meters / coil
0.049 6.35 1.00 440 ~ 460 meters / coil
3/8 - 0.035 9.53 0.89 300 ~ 320 meters / coil
0.039 9.53 1.00 270 ~ 290 meters / coil
1/2 - 0.035 12.7 0.89 210 ~ 230 meters / coil
0.049 12.7 1.24 150 ~ 180 meters / coil